* { margin: 0; padding: 0; box-sizing: border-box; }
    body, html { height: 100%; font-family: 'Segoe UI', sans-serif; overflow-x: hidden; }

    /* Dark mode default */
    body.dark-mode {
      background-color: #1f2638;
      color: #e2e8f0;
    }
    body.light-mode {
      background-color: #f0f9ff;
      color: #1e293b;
    }
    .pac {
  height: 150px;
  display: flex;
  align-items: flex-end;
  justify-content: center; /* centers children */
  flex-wrap: wrap;         /* allows wrapping on smaller screens */
  gap: 70px;               /* smaller gap */
  margin: 0 auto;          /* horizontal center */
  width: 90%;              /* responsive width */
  max-width: 800px;        /* limit on large screens */
}
  iframe {
      display: none;
      width: 100%;
      max-width: 800px;
      height: 600px;
      margin: 20px auto;
      border: 1px solid #ccc;
    }



    /* Background animation container */
    .bg-animation {
      position: fixed;
      top: 0; left: 0; width: 100%; height: 100%;
      overflow: hidden;
      z-index: -2;
      pointer-events: none;
    }

    /* Solid rectangular blocks */
    .block {
      position: absolute;
      background-color: rgba(56, 189, 248, 0.15);
      opacity: 0.3;
      animation-timing-function: linear;
      filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.3));
      border-radius: 8px;
    }

    /* Different block sizes and vertical positions */
    .block1 {
      width: 250px;
      height: 120px;
      top: 15%;
      left: -250px;
      animation: moveRight 25s linear infinite;
    }
    .block2 {
      width: 300px;
      height: 140px;
      top: 45%;
      left: 100vw;
      animation: moveLeft 22s linear infinite;
    }
    .block3 {
      width: 220px;
      height: 100px;
      top: 75%;
      left: -220px;
      animation: moveRight 28s linear infinite;
    }
    .block4 {
      width: 100px;
      height: 100px;
      top: 65%;
      left: -20px;
      animation: moveRight 28s linear infinite;
    }
    .block5 {
      width: 100px;
      height: 100px;
      top: 35%;
      left: -200px;
      animation: moveRight 28s linear infinite;
    }
    .block6 {
      width: 200px;
      height: 150px;
      top: 3%;
      left: 100vw;
      animation: moveLeft 22s linear infinite;
    }

    /* Horizontal move right */
    @keyframes moveRight {
      0% { transform: translateX(0); }
      100% { transform: translateX(calc(100vw + 300px)); }
    }
    /* Horizontal move left */
    @keyframes moveLeft {
      0% { transform: translateX(0); }
      100% { transform: translateX(calc(-100vw - 300px)); }
    }

    /* Light mode block colors */
    body.light-mode .block {
      background-color: rgba(59, 130, 246, 0.15);
      filter: drop-shadow(0 0 6px rgba(59, 130, 246, 0.3));
    }

    /* Profile section */
    .profile-section {
      text-align: center;
      margin-top: 60px;
      color: inherit;
      animation: fadeInScale 0.8s ease forwards;
      position: relative;
      z-index: 2;
    }

    .profile-pic {
      width: 140px;
      height: 140px;
      border-radius: 50%;
      border: 3px solid rgba(255, 255, 255, 0.2);
      box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
      object-fit: cover;
      margin-bottom: 15px;
      cursor: pointer;
      position: relative;
      z-index: 2;
      background-color: #111827;
      transition: box-shadow 0.3s ease;
    }
    body.light-mode .profile-pic {
      background-color: #e0f2fe;
      box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
    }
    .profile-pic:hover {
      box-shadow: 0 0 30px #22d3ee;
    }

    .profile-name {
      font-size: 2rem;
      font-weight: bold;
    }
    .profile-title {
      font-size: 1.1rem;
      color: inherit;
      opacity: 0.8;
    }

    /* Circle icon buttons */
    .circle-buttons {
      position: absolute;
      top: 60%;
      left: 50%;
      transform: translate(-50%, -50%);
      display: flex;
      gap: 40px;
      z-index: 2;
    }

    .circle-buttons a {
      display: flex;
      justify-content: center;
      align-items: center;
      width: 80px;
      height: 80px;
      font-size: 2rem;
      background: rgba(99, 182, 250, 0.381);
      border-radius: 50%;
      backdrop-filter: blur(10px);
      color: inherit;
      text-decoration: none;
      transition: all 0.3s ease;
      cursor: pointer;
      position: relative;
      user-select: none;
    }
    .circle-buttons a:hover {
      transform: scale(1.1);
      background: rgba(132, 226, 250, 0.367);
    }

    /* Popup Overlay */
    .popup-card {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(15, 23, 42, 0.6);
      backdrop-filter: blur(5px);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 20;
    }
    .popup-card.hidden {
      display: none;
    }

    /* Normal popup card (not glassmorphic) */
    .popup-glass {
      position: relative;
      max-width: 600px;
      width: 90%;
      padding: 30px 25px;
      border-radius: 16px;
      background-color: #1e293b;
      color: #e2e8f0;
      text-align: center;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
      animation: fadeInScale 0.3s ease forwards;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
    }
    body.light-mode .popup-glass {
      background-color: #e0f2fe;
      color: #1e293b;
      box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
    }

    .popup-glass h2 {
      font-size: 1.8rem;
      margin-bottom: 15px;
      color: inherit;
    }
    .popup-glass p {
      font-size: 1.05rem;
      line-height: 1.6;
      color: inherit;
    }

    .close-btn {
      position: absolute;
      top: 12px;
      right: 16px;
      background: rgba(255, 255, 255, 0.1);
      border: none;
      border-radius: 50%;
      width: 32px;
      height: 32px;
      font-size: 18px;
      color: #f87171;
      cursor: pointer;
      transition: background 0.2s ease;
      z-index: 10;
    }
    .close-btn:hover {
      background: rgba(255, 255, 255, 0.2);
    }

    /* Popup profile morph */
    .popup-profile-pic {
      width: 140px;
      height: 140px;
      border-radius: 16px;
      object-fit: cover;
      border: 3px solid rgba(255,255,255,0.25);
      box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
      transform-origin: top left;
      animation: morphProfile 0.5s ease forwards;
      background-color: #111827;
    }
    body.light-mode .popup-profile-pic {
      background-color: #dbeafe;
      box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
    }

    @keyframes morphProfile {
      0% {
        border-radius: 50%;
        width: 140px;
        height: 140px;
        transform: translate(0,0) scale(1);
        opacity: 0;
      }
      50% {
        opacity: 1;
        transform: translate(20px, 20px) scale(0.8);
      }
      100% {
        border-radius: 16px;
        width: 140px;
        height: 140px;
        transform: translate(0, 0) scale(1);
        opacity: 1;
      }
    }

    /* Container inside popup */
    .popup-content-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
    }

    /* Popup text with profile and content side by side */
    .popup-inner {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      width: 100%;
      flex-wrap: wrap;
      justify-content: center;
    }

    .popup-text {
      flex: 1 1 300px;
      text-align: left;
      color: inherit;
      font-size: 1.05rem;
      line-height: 1.6;
      white-space: pre-wrap;
    }

    /* Resume button */
    .resume-btn {
      margin-top: 20px;
      padding: 12px 24px;
      font-size: 1rem;
      border: none;
      border-radius: 8px;
      background-color: #06b6d4;
      color: white;
      cursor: pointer;
      box-shadow: 0 4px 8px rgba(6, 182, 212, 0.5);
      transition: background-color 0.3s ease;
    }
    .resume-btn:hover {
      background-color: #0891b2;
    }

    /* Fade in scale animation */
    @keyframes fadeInScale {
      from { opacity: 0; transform: scale(0.95); }
      to { opacity: 1; transform: scale(1); }
    }

    /* Toggle theme button */
    .toggle-theme-btn {
      position: absolute;
      top: 20px;
      right: 20px;
      background: rgba(255,255,255,0.15);
      border: none;
      border-radius: 12px;
      padding: 10px 18px;
      font-size: 1rem;
      cursor: pointer;
      color: inherit;
      z-index: 30;
      transition: background 0.3s ease;
    }
    .toggle-theme-btn:hover {
      background: rgba(255,255,255,0.3);
    }

    @media (max-width: 600px) {
  body {
    padding: 10px;
  }

  .card {
    padding: 15px;
    font-size: 16px;
  }
  
  
  
}

/* Medium screens (tablets) */
@media (min-width: 601px) and (max-width: 1024px) {
  .card {
    max-width: 80%;
    font-size: 18px;
  }
}

/* Large screens (desktops) */
@media (min-width: 1025px) {
  .card {
    max-width: 60%;
    font-size: 20px;
  }
}